On Tue, Oct 08, 2024 at 10:00:57AM GMT, Neil Armstrong wrote: > Hi, > > On 01/10/2024 09:37, neil.armstrong@xxxxxxxxxx wrote: > > Hi, > > > > On 30/09/2024 21:19, Jessica Zhang wrote: > > > > > > > > > On 9/30/2024 7:17 AM, neil.armstrong@xxxxxxxxxx wrote: > > > > On 25/09/2024 00:59, Jessica Zhang wrote: > > <snip> > > > > > > > > > When running igt-test on QRD8650, I get: > > > > # IGT_FRAME_DUMP_PATH=$PWD FRAME_PNG_FILE_NAME=pwet /usr/libexec/igt- gpu-tools/kms_writeback -d > > > > > > Hi Neil, > > > > > > Thanks for reporting this. Unfortunately, I'm not able to recreate this on the MTP8650. > > > > > > How many/which non-WB outputs are you testing with? > > > > Here's the modetest output: > > ==================><==================================================== > > Encoders: > > id crtc type possible crtcs possible clones > > 32 103 DSI 0x00000007 0x00000005 > > 34 0 TMDS 0x00000007 0x00000006 > > 37 0 Virtual 0x00000007 0x00000007 > > > > Connectors: > > id encoder status name size (mm) modes encoders > > 33 32 connected DSI-1 71x157 1 32 > > modes: > > index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot > > #0 1080x2400 144.00 1080 1100 1102 1122 2400 2420 2422 2440 394225 flags: ; type: preferred, driver > > props: > > 1 EDID: > > flags: immutable blob > > blobs: > > > > value: > > 2 DPMS: > > flags: enum > > enums: On=0 Standby=1 Suspend=2 Off=3 > > value: 0 > > 5 link-status: > > flags: enum > > enums: Good=0 Bad=1 > > value: 0 > > 6 non-desktop: > > flags: immutable range > > values: 0 1 > > value: 0 > > 4 TILE: > > flags: immutable blob > > blobs: > > > > value: > > 35 0 disconnected DP-1 0x0 0 34 > > props: > > 1 EDID: > > flags: immutable blob > > blobs: > > > > value: > > 2 DPMS: > > flags: enum > > enums: On=0 Standby=1 Suspend=2 Off=3 > > value: 0 > > 5 link-status: > > flags: enum > > enums: Good=0 Bad=1 > > value: 0 > > 6 non-desktop: > > flags: immutable range > > values: 0 1 > > value: 0 > > 4 TILE: > > flags: immutable blob > > blobs: > > > > value: > > 36 subconnector: > > flags: immutable enum > > enums: Unknown=0 VGA=1 DVI-D=3 HDMI=11 DP=10 Wireless=18 Native=15 > > value: 0 > > ==================><==================================================== > > > > and dri state: > > ==================><==================================================== > > # cat /sys/kernel/debug/dri/0/state > > plane[43]: plane-0 > > crtc=crtc-0 > > fb=106 > > allocated by = [fbcon] > > refcount=2 > > format=XR24 little-endian (0x34325258) > > modifier=0x0 > > size=1080x2400 > > layers: > > size[0]=1080x2400 > > pitch[0]=4352 > > offset[0]=0 > > obj[0]: > > name=0 > > refcount=1 > > start=0010102d > > size=10444800 > > imported=no > > crtc-pos=1080x2400+0+0 > > src-pos=1080.000000x2400.000000+0.000000+0.000000 > > rotation=1 > > normalized-zpos=0 > > color-encoding=ITU-R BT.601 YCbCr > > color-range=YCbCr limited range > > color_mgmt_changed=0 > > stage=1 > > sspp[0]=sspp_0 > > multirect_mode[0]=none > > multirect_index[0]=solo > > src[0]=1080x2400+0+0 > > dst[0]=1080x2400+0+0 > > plane[49]: plane-1 > > crtc=(null) > > fb=0 > > crtc-pos=0x0+0+0 > > src-pos=0.000000x0.000000+0.000000+0.000000 > > rotation=1 > > normalized-zpos=0 > > color-encoding=ITU-R BT.601 YCbCr > > color-range=YCbCr limited range > > color_mgmt_changed=0 > > stage=0 > > sspp[0]=sspp_1 > > multirect_mode[0]=none > > multirect_index[0]=solo > > src[0]=0x0+0+0 > > dst[0]=0x0+0+0 > > plane[55]: plane-2 > > crtc=(null) > > fb=0 > > crtc-pos=0x0+0+0 > > src-pos=0.000000x0.000000+0.000000+0.000000 > > rotation=1 > > normalized-zpos=0 > > color-encoding=ITU-R BT.601 YCbCr > > color-range=YCbCr limited range > > color_mgmt_changed=0 > > stage=0 > > sspp[0]=sspp_2 > > multirect_mode[0]=none > > multirect_index[0]=solo > > src[0]=0x0+0+0 > > dst[0]=0x0+0+0 > > plane[61]: plane-3 > > crtc=(null) > > fb=0 > > crtc-pos=0x0+0+0 > > src-pos=0.000000x0.000000+0.000000+0.000000 > > rotation=1 > > normalized-zpos=0 > > color-encoding=ITU-R BT.601 YCbCr > > color-range=YCbCr limited range > > color_mgmt_changed=0 > > stage=0 > > sspp[0]=sspp_3 > > multirect_mode[0]=none > > multirect_index[0]=solo > > src[0]=0x0+0+0 > > dst[0]=0x0+0+0 > > plane[67]: plane-4 > > crtc=(null) > > fb=0 > > crtc-pos=0x0+0+0 > > src-pos=0.000000x0.000000+0.000000+0.000000 > > rotation=1 > > normalized-zpos=0 > > color-encoding=ITU-R BT.601 YCbCr > > color-range=YCbCr limited range > > color_mgmt_changed=0 > > stage=0 > > sspp[0]=sspp_8 > > multirect_mode[0]=none > > multirect_index[0]=solo > > src[0]=0x0+0+0 > > dst[0]=0x0+0+0 > > plane[73]: plane-5 > > crtc=(null) > > fb=0 > > crtc-pos=0x0+0+0 > > src-pos=0.000000x0.000000+0.000000+0.000000 > > rotation=1 > > normalized-zpos=0 > > color-encoding=ITU-R BT.601 YCbCr > > color-range=YCbCr limited range > > color_mgmt_changed=0 > > stage=0 > > sspp[0]=sspp_9 > > multirect_mode[0]=none > > multirect_index[0]=solo > > src[0]=0x0+0+0 > > dst[0]=0x0+0+0 > > plane[79]: plane-6 > > crtc=(null) > > fb=0 > > crtc-pos=0x0+0+0 > > src-pos=0.000000x0.000000+0.000000+0.000000 > > rotation=1 > > normalized-zpos=0 > > color-encoding=ITU-R BT.601 YCbCr > > color-range=YCbCr limited range > > color_mgmt_changed=0 > > stage=0 > > sspp[0]=sspp_10 > > multirect_mode[0]=none > > multirect_index[0]=solo > > src[0]=0x0+0+0 > > dst[0]=0x0+0+0 > > plane[85]: plane-7 > > crtc=(null) > > fb=0 > > crtc-pos=0x0+0+0 > > src-pos=0.000000x0.000000+0.000000+0.000000 > > rotation=1 > > normalized-zpos=0 > > color-encoding=ITU-R BT.601 YCbCr > > color-range=YCbCr limited range > > color_mgmt_changed=0 > > stage=0 > > sspp[0]=sspp_11 > > multirect_mode[0]=none > > multirect_index[0]=solo > > src[0]=0x0+0+0 > > dst[0]=0x0+0+0 > > plane[91]: plane-8 > > crtc=(null) > > fb=0 > > crtc-pos=0x0+0+0 > > src-pos=0.000000x0.000000+0.000000+0.000000 > > rotation=1 > > normalized-zpos=0 > > color-encoding=ITU-R BT.601 YCbCr > > color-range=YCbCr limited range > > color_mgmt_changed=0 > > stage=0 > > sspp[0]=sspp_12 > > multirect_mode[0]=none > > multirect_index[0]=solo > > src[0]=0x0+0+0 > > dst[0]=0x0+0+0 > > plane[97]: plane-9 > > crtc=(null) > > fb=0 > > crtc-pos=0x0+0+0 > > src-pos=0.000000x0.000000+0.000000+0.000000 > > rotation=1 > > normalized-zpos=0 > > color-encoding=ITU-R BT.601 YCbCr > > color-range=YCbCr limited range > > color_mgmt_changed=0 > > stage=0 > > sspp[0]=sspp_13 > > multirect_mode[0]=none > > multirect_index[0]=solo > > src[0]=0x0+0+0 > > dst[0]=0x0+0+0 > > crtc[103]: crtc-0 > > enable=1 > > active=1 > > self_refresh_active=0 > > planes_changed=1 > > mode_changed=0 > > active_changed=0 > > connectors_changed=0 > > color_mgmt_changed=0 > > plane_mask=1 > > connector_mask=1 > > encoder_mask=1 > > mode: "1080x2400": 144 394225 1080 1100 1102 1122 2400 2420 2422 2440 0x48 0x0 > > lm[0]=0 > > ctl[0]=2 > > crtc[104]: crtc-1 > > enable=0 > > active=0 > > self_refresh_active=0 > > planes_changed=0 > > mode_changed=0 > > active_changed=0 > > connectors_changed=0 > > color_mgmt_changed=0 > > plane_mask=0 > > connector_mask=0 > > encoder_mask=0 > > mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0 > > crtc[105]: crtc-2 > > enable=0 > > active=0 > > self_refresh_active=0 > > planes_changed=0 > > mode_changed=0 > > active_changed=0 > > connectors_changed=0 > > color_mgmt_changed=0 > > plane_mask=0 > > connector_mask=0 > > encoder_mask=0 > > mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0 > > connector[33]: DSI-1 > > crtc=crtc-0 > > self_refresh_aware=0 > > max_requested_bpc=0 > > colorspace=Default > > connector[35]: DP-1 > > crtc=(null) > > self_refresh_aware=0 > > max_requested_bpc=0 > > colorspace=Default > > connector[42]: Writeback-1 > > crtc=(null) > > self_refresh_aware=0 > > max_requested_bpc=0 > > colorspace=Default > > resource mapping: > > pingpong=103 # # # # # # # # # - > > mixer=103 # # # # # - > > ctl=# # 103 # # # > > dspp=# # # # > > dsc=# # # # # # > > cdm=- > > cwb=# # # # > > ==================><==================================================== > > > > I pasted all the kms_writeback log, I have nothing more. > > > > If I specify `--run-subtest dump-valid-clones` I get: > > ==================><==================================================== > > IGT_FRAME_DUMP_PATH=$PWD FRAME_PNG_FILE_NAME=out.png /usr/libexec/igt-gpu-tools/kms_writeback -d --run-subtest dump-valid-clones > > [ 33.250236] Console: switching to colour dummy device 80x25 > > IGT-Version: 1.29-1.28 (aarch64) (Linux: 6.12.0-rc1-00022-ge581f752bf79 aarch64) > > Using IGT_SRANDOM=1709054789 for randomisation[ 33.256171] [IGT] kms_writeback: executing > > > > Opened device: /dev/dri/card0 > > [ 33.360023] [IGT] kms_writeback: starting subtest dump-valid-clones > > Starting subtest: dump-valid-clones > > [ 34.063316] [drm:dpu_encoder_virt_atomic_disable:1314] [dpu error]enc32 timeout pending > > [ 34.244272] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010 > > [ 34.253385] Mem abort info: > > [ 34.256328] ESR = 0x0000000096000006 > > [ 34.260272] EC = 0x25: DABT (current EL), IL = 32 bits > > [ 34.265816] SET = 0, FnV = 0 > > [ 34.269043] EA = 0, S1PTW = 0 > > [ 34.272332] FSC = 0x06: level 2 translation fault > > [ 34.277430] Data abort info: > > [ 34.280460] ISV = 0, ISS = 0x00000006, ISS2 = 0x00000000 > > [ 34.286170] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 > > [ 34.291438] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 > > [ 34.296975] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008824fc000 > > [ 34.303673] [0000000000000010] pgd=08000008dc4e0003, p4d=08000008dc4e0003, pud=08000008dd4af003, pmd=0000000000000000 > > [ 34.314647] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP > > [ 34.321144] Modules linked in: snd_soc_wsa884x q6prm_clocks q6apm_dai > > q6apm_lpass_dais snd_q6dsp_common q6prm 8021q garp mrp stp llc usb_f_fs > > libcomposite qrtr_mhi snd_q6apm rpmsg_ctrl fastrpc apr qrtr_smd > > rpmsg_char snd_soc_hdmi_codec ath12k mac80211 libarc4 mhi > > panel_visionox_vtdr6130 qcom_pd_mapper goodix_berlin_spi ucsi_glink > > pmic_glink_altmode pci_pwrctl_pwrseq pci_pwrctl_core typec_ucsi > > aux_hpd_bridge qcom_battmgr nb7vpq904m wcd939x_usbss goodix_berlin_core > > crct10dif_ce phy_qcom_eusb2_repeater msm sm3_ce sm3 qcom_q6v5_pas > > sha3_ce hci_uart sha512_ce sha512_arm64 leds_qcom_lpg ocmem > > qcom_pil_info qcom_q6v5 qcom_pbs btqca ipa btbcm drm_exec qcom_sysmon > > pwrseq_qcom_wcn snd_soc_sc8280xp led_class_multicolor snd_soc_qcom_sdw > > qrtr qcom_common gpu_sched snd_soc_wcd939x drm_dp_aux_bus > > qcom_spmi_temp_alarm snd_soc_qcom_common qcom_glink_smem > > snd_soc_wcd939x_sdw rtc_pm8xxx drm_display_helper > > pinctrl_sm8650_lpass_lpi regmap_sdw cfg80211 bluetooth qcom_pon > > pmic_glink ecdh_generic pdr_interface phy_qcom_qmp_combo ecc rfkill > > [ 34.321268] nvmem_qcom_spmi_sdam qcom_stats spi_geni_qcom pwrseq_core i2c_qcom_geni aux_bridge phy_qcom_snps_eusb2 dispcc_sm8550 drm_kms_helper gpi soundwire_qcom snd_soc_lpass_va_macro pinctrl_lpass_lpi snd_soc_wcd_mbhc snd_soc_lpass_tx_macro snd_soc_lpass_rx_macro snd_soc_lpass_wsa_macro llcc_qcom snd_soc_lpass_macro_common slimbus snd_soc_wcd_classh mdt_loader qcom_pdr_msg qcrypto gpucc_sm8650 icc_bwmon qmi_helpers authenc phy_qcom_qmp_ufs libdes soundwire_bus ufs_qcom nvmem_reboot_mode phy_qcom_qmp_pcie typec qcom_rng rmtfs_mem socinfo fuse drm backlight ipv6 > > [ 34.464862] CPU: 5 UID: 0 PID: 513 Comm: kms_writeback Tainted: G S 6.12.0-rc1-00022-ge581f752bf79 #2 > > [ 34.475812] Tainted: [S]=CPU_OUT_OF_SPEC > > [ 34.479905] Hardware name: Qualcomm Technologies, Inc. SM8650 QRD (DT) > > [ 34.486667] pstate: 81400005 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) > > [ 34.493880] pc : dpu_encoder_helper_phys_setup_cwb+0xb8/0x1ec [msm] > > [ 34.500441] lr : dpu_encoder_helper_phys_setup_cwb+0x88/0x1ec [msm] > > [ 34.506969] sp : ffff800085fc37e0 > > [ 34.510437] x29: ffff800085fc3810 x28: ffffb8c93c953068 x27: ffff5af315c90880 > > [ 34.517826] x26: ffff5af359c55780 x25: ffff800085fc3878 x24: ffff5af35a956e80 > > [ 34.525217] x23: 0000000000000000 x22: ffff5af355dc2080 x21: ffff5af35a956e80 > > [ 34.532607] x20: ffff5af315c90880 x19: ffff5af315c90c80 x18: 0000000000000001 > > [ 34.539997] x17: 0000000000000018 x16: ffffb8c95c9c8c64 x15: 0000000000000038 > > [ 34.547385] x14: 0000001971602a24 x13: 00000000000000e1 x12: 000000000000000b > > [ 34.554774] x11: 0000000000000000 x10: e7125de8a27ae014 x9 : 5aef79bd13b1e2a7 > > [ 34.562162] x8 : ffff5af355dc2718 x7 : 0000000000000004 x6 : ffff5af356374d98 > > [ 34.569550] x5 : 0000000000000002 x4 : ffff800085fc37f8 x3 : ffff5af315c90950 > > [ 34.576938] x2 : 0000000000000002 x1 : 0000000000000000 x0 : 0000000000000001 > > [ 34.584328] Call trace: > > [ 34.586905] dpu_encoder_helper_phys_setup_cwb+0xb8/0x1ec [msm] > > [ 34.593075] dpu_encoder_helper_phys_cleanup+0x328/0x3c4 [msm] > > [ 34.599165] dpu_encoder_phys_wb_disable+0x80/0xac [msm] > > [ 34.604713] dpu_encoder_virt_atomic_disable+0xb4/0x160 [msm] > > [ 34.610711] disable_outputs+0x108/0x32c [drm_kms_helper] > > [ 34.616351] drm_atomic_helper_commit_modeset_disables+0x1c/0x4c [drm_kms_helper] > > [ 34.624110] msm_atomic_commit_tail+0x188/0x514 [msm] > > [ 34.629396] commit_tail+0xa4/0x18c [drm_kms_helper] > > [ 34.634570] drm_atomic_helper_commit+0x17c/0x194 [drm_kms_helper] > > [ 34.640990] drm_atomic_commit+0xb8/0xf4 [drm] > > [ 34.645690] drm_mode_atomic_ioctl+0xad4/0xd88 [drm] > > [ 34.650889] drm_ioctl_kernel+0xc0/0x128 [drm] > > [ 34.655564] drm_ioctl+0x218/0x49c [drm] > > [ 34.659697] __arm64_sys_ioctl+0xac/0xf0 > > [ 34.663804] invoke_syscall+0x48/0x10c > > [ 34.667755] el0_svc_common.constprop.0+0xc0/0xe0 > > [ 34.672648] do_el0_svc+0x1c/0x28 > > [ 34.676117] el0_svc+0x34/0xd8 > > [ 34.679330] el0t_64_sync_handler+0x120/0x12c > > [ 34.683864] el0t_64_sync+0x190/0x194 > > [ 34.687699] Code: 910063e1 f8607822 f8607861 b9401042 (b9401021) > > [ 34.694014] ---[ end trace 0000000000000000 ]--- > > ==================><==================================================== > > Anything I can try to get past the crash ? The call to dpu_kms_get_existing_global_state in dpu_encoder_helper_phys_setup_cwb looks suspicious to me, can you check whether the returned global state is NULL? Maxime
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